I don't see how the window manager could be involved. How
current of CVS? The last thing in the CHANGELOG on my machine is
862 and I don't see this problem.
I think BadMatch can happen with GetImage only if the app
trys to grab outside of the window. I think xmag grabs on the
root window to avoid this, but can only do this when the depth
of the window in question is the root depth. You don't have
different depth windows do you (overlay, depth 32 windows).
It looks like it knows how to clamp to the window dimensions.
Maybe you can get a backtrace with a debug xmag?
Maybe it has something to do with RandR?
Mark.
On Mon, 24 Feb 2003, Kevin Brosius wrote:
> I've noticed the following xmag segv with current CVS when trying to
> view part of the background in the development version of e (e17). Is
> this an xmag or a window manager problem? (Or both?)
>
>
> (gdb) r
> X Error of failed request: BadMatch (invalid parameter attributes)
> Major opcode of failed request: 73 (X_GetImage)
> Serial number of failed request: 668
> Current serial number in output stream: 668
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0804afbf in GetMinIntensity ()
>
> This only occurs when the start point of the xmag selection window is
> over the background. Clicking inside an application works fine, as does
> clicking inside but near an application edge which shows both
> application and background image magnification. (I can magnify the
> background as long as the click doesn't occur on it.)
>
> --
> Kevin
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